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The formula for the volume of a cylinder is V 7r²h, where r is the radius of the cylinder and his the
height of the cylinder. Rewrite the formula to solve for h in terms of r and V.
G

Answers

Answer 1
Answer:

Final answer:

To solve for the height of a cylinder in terms of its radius and volume, rewrite the formula as h = V/(7r²).


Explanation:

To rewrite the formula to solve for h in terms of r and V, we need to isolate h on one side of the equation. The given formula is V = 7r²h. To isolate h, we divide both sides of the equation by 7r². This gives us the formula: h = V/(7r²). This formula allows us to calculate the height of a cylinder given its radius and volume.


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Figure A ~ Figure B Find the volume of Figure A
Make m the subject when g=square root sign over m-5
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Find the volume of the solid cut from the​ thick-walled cylinder 1 less than or equals x squared plus y squared less than or equals 2 by the cones z equals plus or minus StartRoot 4 x squared plus 4 y squared EndRoot.

Answers

Answer:

4/3(2√(2)  -1)*\pi this is the answer

Step-by-step explanation:

1<= x^2+y^2 <= 2 by the cons z= +- √((x^2 + y^2))

Let suppose

x = r∙cos(θ)

y = r∙cos(θ)

z = z

The differential volume element changes to

dV = dxdydz = r drdθdz

The limits of integration  in cylindrical coordinates are:

The limits of integration  in cylindrical coordinates are:  

(i)

1 \leq  x^2 + y^2\leq  2

1 \leq  r^2 \leq  2

since r is always positive

1 \leq  r \leq √(2)

(ii)

- √((x^2+ y^2))  \leq z \leq +√((x^2+ y^2))

- r \leq  z  \leq  r

(iii)  

0 \leq Theta \leq 2∙π

 we have no restrictions in radial direction.

V = \int\limits^a_b { dV} \,

Remaining derivation has been explained in the atatchment where we get the volume of the cylinder

The volume of the solid cut from the thick-walled cylinder and cones is 4π/3 (2√2 - 1) using cylindrical coordinates.

To determine the volume of the solid cut from the given cylinder and cones, we'll utilize cylindrical coordinates. The cylinder is represented by 1 ≤ r² ≤ 2, or 1 ≤ r ≤ √2, in cylindrical coordinates, where x² + y² = r². Similarly, the cones are represented by z = ±2r. The volume differential in cylindrical coordinates is dV = rdzdrdθ.

Integrating over the appropriate limits, we obtain the volume of the solid:

V = ∫₀²π ∫₁√₂ -2r²r²dzdrθ

Evaluating the integral, we get:

V = 4π/3 (2√2 - 1)

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#SPJ6

There are 13 fish in an aquarium. Seven of the fish are guppies. How manynon-guppies are in the aquarium?
A. the number of guppies
B. the total number of fish
C. the number of non-guppies
( what is the variable in the problem?)

Answers

Answer:

6 non-guppies; C. the number of non-guppies

Step-by-step explanation:

13-7=x

(x is the number of non-guppies)

13-7=6

18% of the cars in the parking lot are blue.If there are 150 cars in the parking lot,how many cars are blue

Answers

Answer:

Step-by-step explanation:

14

Earlier we analyzed the revenue earned by the junior class at East High School from their discount card fundraiser. They hada goal to earn a profit of more than $10,000 from the fundraiser.
Since the local area businesses are supporting the fundraiser, the only cost to the students is the production cost. So, the
profit from the cards is found by subtracting the total production cost from the total revenue. Each card costs $0.20 to
produce and is sold for $20.
Select the correct answer from each drop-down menu.
If the class sold c cards, the inequality that represents their profit goal is
This year's class sold 520 cards, so they
their goal because they sold more than
cards.

Answers

Approximately 520 cards actually sold this year in the class, more than 505, have fulfilled their objective.

According to the question,

If the students sell c cards the,

The total revenue,

  • 20c

The total production costs,

  • 0.2c

`

The inequality of profit, or income, which is less than 10 thousand dollars represents their objective, such as:

20c-0.2c>10,000

→         19.8c>10,000

→               c > (10,000)/(19.8c)

→               c> 505.05

or,

→               c>505

The class had to sell more than 505 cards just to meet their goals.

Thus the above answer is right.

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Answer:

Sample Answer for Edmentum

On January 1, 2021, White Water issues $410,000 of 7% bonds, due in 10 years, with interest payable semiannually on June 30 and December 31 each year.Assuming the market interest rate on the issue date is 8%, the bonds will issue at $382,141.

Record the bond issue on January 1, 2021, and the first two semiannual interest payments on June 30, 2021, and December 31, 2021. (If no entry is required for a particular transaction/event, select "No Journal Entry Required" in the first account field. Round your final answers to the nearest whole dollar.)

Answers

The appropriate journal entries to record the bond issue on January 1, 2021, and the first two semiannual interest payments on June 30, 2021, and December 31, 2021 are:

White Water journal entries

1-Jan-21

Debit Cash $382,141

Credit Discount on Bonds Payable $27,859

($410,000-$382,141)

Credit Bonds payable  $ 410,000

30-Jun

Debit Interest Expenses $ 15,286

($382,141 x 8%/2)  

Debit Discount on Bonds Payable $736

Credit Cash $14,350

($410,000 x 7%/2)  

31-Dec

Debit Interest Expenses $15,315.08

[($382,141 + 736) x 8%/2]

Credit Discount on Bonds Payable $965.08

($15,315.08-$14,350)

Credit Cash $14,350

($410,000 x 7%/2)

Learn more here:

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Answer:

Step-by-step explanation:

Data sets A and B are dependent. Find mean of the differences (d bar).A 32 30 49 45 33
B 30 26 27 37 24
Assume the paired data came from a population that is normally distributed.

Answers

Answer:

9.0

Step-by-step explanation:

Mean = Sum of terms/Number of terms

For Data Set A

Mean = 32 + 30 + 49 + 45 + 33/5

= 189/5

= 37.8

For Data Set B

Mean = 30 + 26 + 27 + 37 + 24/5

= 144/5

= 28.8

Hence, the Mean difference is calculated as the absolute difference between the Mean of Data set A and Data set B

Mean Difference = 37.8 - 28.8

= 9.0